Technology Process of (4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-iodomethyl-tetrahydro-pyran-2-one
There total 11 articles about (4S,6S)-4-(tert-Butyl-diphenyl-silanyloxy)-6-iodomethyl-tetrahydro-pyran-2-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 7 steps
1: imidazol / CH2Cl2 / 0 °C
2: H2O, Na2CO3 / 25 °C
3: BF3-THF / 6 h / -20 - 0 °C
4: PCC, kieselguhr / CH2Cl2 / 25 °C
5: 93 percent / toluene / 2 h / -15 - 0 °C
6: 99 percent / NaOH / ethanol; H2O / 25 °C
7: I2, NaHCO3 / diethyl ether / 0 °C
With
1H-imidazole; sodium hydroxide; kieselguhr; boron trifluoride-tetrahydrofuran complex; water; iodine; sodium hydrogencarbonate; sodium carbonate; pyridinium chlorochromate;
In
diethyl ether; ethanol; dichloromethane; water; toluene;
DOI:10.1016/S0040-4039(00)86112-2
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 85 percent / HCl gas / 0 °C
2: 91 percent / H2 / Raney-Ni / propan-1-ol; triethylamine / 25 °C
3: H2O / pig liver esterase (PLE) / 30 h / 0 °C / pH 7 (0.3 M aqueous KH2PO4 and 1N NaOH)
4: imidazol / CH2Cl2 / 0 °C
5: H2O, Na2CO3 / 25 °C
6: BF3-THF / 6 h / -20 - 0 °C
7: PCC, kieselguhr / CH2Cl2 / 25 °C
8: 93 percent / toluene / 2 h / -15 - 0 °C
9: 99 percent / NaOH / ethanol; H2O / 25 °C
10: I2, NaHCO3 / diethyl ether / 0 °C
With
1H-imidazole; hydrogenchloride; sodium hydroxide; kieselguhr; boron trifluoride-tetrahydrofuran complex; water; hydrogen; iodine; sodium hydrogencarbonate; sodium carbonate; pyridinium chlorochromate;
pig liver esterase; nickel;
In
propan-1-ol; diethyl ether; ethanol; dichloromethane; water; triethylamine; toluene;
DOI:10.1016/S0040-4039(00)86112-2
- Guidance literature:
-
Multi-step reaction with 9 steps
1: 91 percent / H2 / Raney-Ni / propan-1-ol; triethylamine / 25 °C
2: H2O / pig liver esterase (PLE) / 30 h / 0 °C / pH 7 (0.3 M aqueous KH2PO4 and 1N NaOH)
3: imidazol / CH2Cl2 / 0 °C
4: H2O, Na2CO3 / 25 °C
5: BF3-THF / 6 h / -20 - 0 °C
6: PCC, kieselguhr / CH2Cl2 / 25 °C
7: 93 percent / toluene / 2 h / -15 - 0 °C
8: 99 percent / NaOH / ethanol; H2O / 25 °C
9: I2, NaHCO3 / diethyl ether / 0 °C
With
1H-imidazole; sodium hydroxide; kieselguhr; boron trifluoride-tetrahydrofuran complex; water; hydrogen; iodine; sodium hydrogencarbonate; sodium carbonate; pyridinium chlorochromate;
pig liver esterase; nickel;
In
propan-1-ol; diethyl ether; ethanol; dichloromethane; water; triethylamine; toluene;
DOI:10.1016/S0040-4039(00)86112-2